Dans le repère suivant, donner les coordonnées de tous les points.
\begin{center}
\begin{tikzpicture}[>=stealth',scale=0.75]
\draw[gray,dashed] (-7,-10) grid (7,10);
\draw[thick,->] (-7,0) -- (7,0);
\draw[thick,->] (0,-10) -- (0,10);
\node[below left,red] at (0,0) {\textbf{O}};
\draw[very thick,red] (0,0) -- (1,0) node[below] {I};
\draw[very thick,red] (0,0) -- (0,1) node[left] {J};
\fill (-3,3) circle (1.5pt) node[above left] {A};
\fill (-6,-5) circle (1.5pt) node[above left] {B};
\fill (3,-3) circle (1.5pt) node[above left] {C};
\fill (7,9) circle (1.5pt) node[above left] {D};
\fill (4,-3) circle (1.5pt) node[above left] {E};
\fill (0,-4) circle (1.5pt) node[left] {F};
\fill (-1,-8) circle (1.5pt) node[above left] {G};
\fill (-4,0) circle (1.5pt) node[above left] {H};
\end{tikzpicture}
\end{center}

